diff --git a/wwwroot/game_list.js b/wwwroot/game_list.js
index 5b6fdf1..b432e5b 100644
--- a/wwwroot/game_list.js
+++ b/wwwroot/game_list.js
@@ -77,7 +77,14 @@ window.scenseGameList = (function () {
 })();
 
 (function () {
+  // hub 内 urlwidget 懒构建：容器元素在 tab 激活后才存在，轮询等容器出现再渲染
+  function tryLoad(retries) {
+    if (!window.scenseGameList) return;
+    var box = document.getElementById('scense_session_list');
+    if (box) { window.scenseGameList.load(); return; }
+    if (retries > 0) setTimeout(function () { tryLoad(retries - 1); }, 500);
+  }
   if (window.bricks && window.bricks.app) {
-    setTimeout(function () { window.scenseGameList && window.scenseGameList.load(); }, 300);
+    setTimeout(function () { tryLoad(120); }, 300);
   }
 })();